<?php

/**
 * Argument handler to accept a node type.
 */
class views_handler_argument_node_type extends views_handler_argument {

    function construct() {
        parent::construct('type');
    }

    /**
     * Override the behavior of summary_name(). Get the user friendly version
     * of the node type.
     */
    function summary_name($data) {
        return $this->node_type($data->{$this->name_alias});
    }

    /**
     * Override the behavior of title(). Get the user friendly version of the
     * node type.
     */
    function title() {
        return $this->node_type($this->argument);
    }

    function node_type($type) {
        $output = node_get_types('name', $type);
        if (empty($output)) {
            return t('Unknown node type');
        } else {
            return check_plain(t($output));
        }
    }

}
